.box{
    width: 100%;
    height: 100%;
    .number{
        justify-content: center;
        align-items: center;
        font-size: 100px;
        font-weight: bold;
        color: #fff;
        width: 100%;
        height: 100%;
        background-color: #1592cc;
    }
    .go{
        display: none;
    }
}